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Custom Dropdown

Learning how to use OverlayPortal and CompositedTransformTarget to build a custom dropdown in Flutter without external packages!

This is part of an article I wrote in DEV.to, go check it out! :)

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Custom radio button in Flutter

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Basic audio waveform in Flutter

A simple example I made while learning about custom paints in Flutter with CustomPaint and CustomPainter.

This is part of an article I wrote in DEV.to and Medium, check them out!

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OverflowBox and videos in Flutter

This is part of an article I originally wrote in Medium, but it's also available in DEV.to, check it out!

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import std/uri

proc `?+`*(url: Uri, ql: openArray[tuple[string, string]]): Uri =
  var qs = @ql
  
  if url.query.len() != 0:
    for k, v in url.query.decodeQuery():
      qs.add( (k, v) )

  return url ? qs

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-- Determines if this script is running on Windows
os.is_win = package.config:sub(1, 1) == "\\"

-- Return the path to the temp dir
function os.get_temp_dir()
  if os.is_win then
    -- Windows. Same as:
    --     os.getenv("TEMP")
    --     os.getenv("TMP")
    return os.getenv("UserProfile") .. "/AppData/Local/Temp"

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import gintro/gobject
import gintro/gio 
import gintro/gtk4

proc activate(app: gtk4.Application) =
  let win = gtk4.newApplicationWindow(app)
  win.defaultSize = (800, 600)
  win.present()

let app = gtk4.newApplication("org.gtk.example")

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#include <stdio.h>

/* Explanation

  Arrays in C are just pointers. So, basically they points
  to the address of the first element and when we indexing
  using [], we're just performing an addition and the order
  doesn't matter at all for that operator in C. Also, the
  array identifier is also the first element itself, as I
  said, is just a pointer.

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#include <stdio.h>
#include <stdlib.h>

int problem(int n) {
  if (n == 1) {
    printf("End\n");
    return n;
  } else if ((n % 2) == 0) {
    printf("Even: %d\n", n);
    return problem(n / 2);

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from random import randint as rand

MagicNum = rand(1, 100)
Lives = 3

print("Guess the number!")
print("Enter your choice:")
choice = int(input("> "))

while True: